401874928

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:319

約数の個数: 160

約数和(自身を含む): 1027712000

約数和(自身を除く): 625837072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 73, 76, 91, 104, 112, 133, 146, 152, 182, 199, 208, 247, 266, 292, 304, 364, 398, 494, 511, 532, 584, 728, 796, 949, 988, 1022, 1064, 1168, 1387, 1393, 1456, 1592, 1729, 1898, 1976, 2044, 2128, 2587, 2774, 2786, 3184, 3458, 3781, 3796, 3952, 4088, 5174, 5548, 5572, 6643, 6916, 7562, 7592, 8176, 9709, 10348, 11096, 11144, 13286, 13832, 14527, 15124, 15184, 18031, 18109, 19418, 20696, 22192, 22288, 26467, 26572, 27664, 29054, 30248, 36062, 36218, 38836, 41392, 49153, 52934, 53144, 58108, 60496, 72124, 72436, 77672, 98306, 101689, 105868, 106288, 116216, 126217, 144248, 144872, 155344, 188851, 196612, 203378, 211736, 232432, 252434, 276013, 288496, 289744, 344071, 377702, 393224, 406756, 423472, 504868, 552026, 688142, 755404, 786448, 813512, 1009736, 1104052, 1321957, 1376284, 1510808, 1627024, 1932091, 2019472, 2208104, 2643914, 2752568, 3021616, 3588169, 3864182, 4416208, 5287828, 5505136, 7176338, 7728364, 10575656, 14352676, 15456728, 21151312, 25117183, 28705352, 30913456, 50234366, 57410704, 100468732, 200937464, 401874928]

約数ペア:

[(1, 401874928), (2, 200937464), (4, 100468732), (7, 57410704), (8, 50234366), (13, 30913456), (14, 28705352), (16, 25117183), (19, 21151312), (26, 15456728), (28, 14352676), (38, 10575656), (52, 7728364), (56, 7176338), (73, 5505136), (76, 5287828), (91, 4416208), (104, 3864182), (112, 3588169), (133, 3021616), (146, 2752568), (152, 2643914), (182, 2208104), (199, 2019472), (208, 1932091), (247, 1627024), (266, 1510808), (292, 1376284), (304, 1321957), (364, 1104052), (398, 1009736), (494, 813512), (511, 786448), (532, 755404), (584, 688142), (728, 552026), (796, 504868), (949, 423472), (988, 406756), (1022, 393224), (1064, 377702), (1168, 344071), (1387, 289744), (1393, 288496), (1456, 276013), (1592, 252434), (1729, 232432), (1898, 211736), (1976, 203378), (2044, 196612), (2128, 188851), (2587, 155344), (2774, 144872), (2786, 144248), (3184, 126217), (3458, 116216), (3781, 106288), (3796, 105868), (3952, 101689), (4088, 98306), (5174, 77672), (5548, 72436), (5572, 72124), (6643, 60496), (6916, 58108), (7562, 53144), (7592, 52934), (8176, 49153), (9709, 41392), (10348, 38836), (11096, 36218), (11144, 36062), (13286, 30248), (13832, 29054), (14527, 27664), (15124, 26572), (15184, 26467), (18031, 22288), (18109, 22192), (19418, 20696)]